Cyzicus

The history of the town in Hellenistic times is closely connected with that of the Attalids of Pergamon, with whose extinction it came into direct relations with Rome.
Cyzicus was held for the Romans against King Mithridates VI of Pontus who besieged it with 300,000 men in 74 BC, but it withstood him stoutly.
The loyalty of the city was rewarded by an extension of territory and other privileges. The Romans favored it and recognized its municipal independence. Cyzicus
was the leading city of Northern Mysia as far as Troas. Under Tiberius, it was incorporated into the Roman Empire but remained the capital of Mysia and became one of the
great cities of the ancient world. Cyzicus was captured temporarily by the Arabs led by Muawiyah I in AD 675.